Trump’s initial response to the Pittsburgh shooting was to suggest the addition of armed guards in places of worship and a stricter implementation of the death penalty. Both of Trump’s suggestions model the behavior that they seek to prevent — the addition of more violence and death to society.

It seems like every other week, a shooter walks into a public meeting space and opens fire.
Just this Friday, Northern Arizona University and Texas Southern University had shootings that claimed the lives of one student from each university. The week before, in Roseburg, Oregon, Umpqua Community College lost nine of...